DOI: 10.11799/ce201701011
Research and practice of broken shaft lining repairing and reinforcement in new auxiliary shaft of Dazhong Coal Mine
HUANG Xiao-dong
LI Pin-zhi
HUANG Chun-guang
Abstract：Through the cause analysis of shaft lining damage in vertical section of new auxiliary shaft ingate in Dazhong Coal Mine, combining with the successful experience of shaft lining supporting in deep tectonic fracture zone in recent years, multi supporting measures were carried out in the broken shaft and connection chamber, including back wall deep hole grouting, pre-stressed anchor cable, U type steel reinforced concrete frame, reinforced concrete counter-arch, increasing support thickness, and improving the strength of the material, etc., which achieved favorable results.
Keywords：auxiliary shaft ingateshaft liningstructural fracture zonesupporting technology
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 34-37 )